Hi! How can I add a second domain ukrsotsbank.com to load-balansing using randmap ?
-----Original Message----- From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Wietse Venema Sent: Tuesday, December 01, 2015 4:31 PM To: Postfix users Subject: Re: Load balancing volodymyr.lytvyne...@unicredit.ua: > Hi! > There are the following configuration of the mail system. > Relay postfix and 2 identical Edge servers (Microsoft Exchange). Relay > receives mail from the Edge servers and sent it to the Internet and receives > mail from the Internet for my domain and forwards it to the Edge server. > There is my transport table: > /etc/postfix/maps/transport: > unicredit.ua smtp:[edge.ukrsotsbank.com] > > /etc/postfix/main.cf: > transport_maps = hash:/etc/postfix/maps/transport > > If I`ll use the version 3.0 of postfix, how can I use load balansing in > transport_maps to forwards mail to both Edge servers ? > With Postfix 3.0 and later, you randomly select MX hosts. /etc/postfix/main.cf: transport_maps = pipemap:{ inline:{unicredit.ua=x}, randmap:{[mx1.ukrsotsbank.com], [mx2.ukrsotsbank.com]} } The "inline:{unicredit.ua=x}" ensures that only unicredit.ua will be load-balanced. pipemap, inline and randmap are described in the postconf(1) manpage http://www.postfix.org/postconf.1.html With earlier Postfix versions you need /etc/hosts or DNS with a that resolves to multiple IP addresses. Wietse
